2-2配置两个栈

//index.js

import { createAppContainer, createSwitchNavigator } from 'react-navigation';
import { createStackNavigator } from 'react-navigation-stack';
import welcomePage from '../views/welcomePage';
import Tabs from './tabs'
import DetailPage from '../views/DetailPage';
const InitNavigator = createStackNavigator({
  WelCome:{
    screen:welcomePage,
    navigationOptions:{
      header:null
    }
  }
})
const MainNavigator = createStackNavigator({
  HomePage:{
    screen:Tabs  //底部导航路由  配置参考底部导航笔记
  }
})
const router = createSwitchNavigator({
  Init:InitNavigator,
  Main:MainNavigator
},{
  initialRouteName:'Init' //先显示
})
export default createAppContainer(router)